EASQ z-scores vs World Bank normed Peruvian data (limited to children aged 6–24 months at follow-up) | ||||||||
Variable | Baseline (n=49) | 3-month follow-up (n=49) | Difference in differences, intervention-control (n=49) | |||||
Control arm mean (robust SE) (n=19) | Intervention arm mean (robust SE) (n=41) | Robust P values | Control arm mean (robust SE) (n=15) | Intervention arm mean (robust SE) (n=34) | Robust P values | Unadjusted mean difference (95% CI; P values) | Adjusted mean difference (95% CI; P values) | |
Total EASQ z-scores | −1.26 (0.26) | −1.52 (0.16) | 0.39 | −1.36 (1.67) | −0.55 (0.98) | 0.08 | 1.06 (0.13 to 2.00; 0.025) | 1.39 (0.49 to 2.29; 0.003) |
EASQ communication domain z-scores | −1.76 (0.21) | −1.82 (0.17) | 0.81 | −1.42 (1.45) | −0.83(0.77) | 0.07 | 0.65 (−0.15 to 1.46; 0.11) | 0.97 (0.23 to 1.71; 0.01) |
EASQ motor domain z-scores | −0.59 (0.25) | −0.52 (0.15) | 0.82 | −0.57 (1.27) | 0.07 (0.91) | 0.08 | 0.57 (− 0.13 to 1.27; 0.11) | 0.67 (−0.09 to 1.43; 0.08) |
EASQ personal/social domain z-scores | −0.85 (0.35) | −1.41 (0.21) | 0.17 | −1.31 (1.52) | −0.48 (1.07) | 0.06 | 1.40 (0.42 to 2.39; 0.006) | 1.72 (0.77 to 2.67; 0.001) |